Outputs (97)

Performance and energy modelling for a low energy acoustic network for the underwater Internet of Things. (2023)
Conference Proceeding
STEWART, C., FOUGH, N., ERDOGAN, N. and PRABHU, R. 2023. Performance and energy modelling for a low energy acoustic network for the underwater Internet of Things. In Proceedings of the 2023 IEEE (Institute of Electrical and Electronics Engineers) International workshop on Metrology for the sea (MetroSea 2023); learning to measure sea health parameters, 4-6 October 2023, Valletta, Malta. Piscataway: IEEE [online], pages 110-115. Available from: https://doi.org/10.1109/MetroSea58055.2023.10317266

As the Internet of Things (IoT) continues to find new applications, there is academic and industrial interest in expanding these concepts to the oceanic environment where data is traditionally challenging to communicate wirelessly, establishing an Un... Read More about Performance and energy modelling for a low energy acoustic network for the underwater Internet of Things..

Fuzzy logic, edge enabled underwater video surveillance through partially wireless optical communication. (2023)
Conference Proceeding
STEWART, C., FOUGH, N. and PRABHU, R. 2023. Fuzzy logic, edge enabled underwater video surveillance through partially wireless optical communication. In Bouma, H., Dijk, J., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Artificial intelligence for security and defence applications: proceedings of the 2023 SPIE joint Remote sensing and Security + defence conference (SPIE Sensor + Imaging 2023), 3-7 September 2023, Amsterdam, Netherlands. Proceedings of SPIE, 12742. Bellingham, WA: SPIE [online], paper 127420A. Available from: https://doi.org/10.1117/12.2685278

Underwater surveillance is inherently tricky to achieve. Even in the clearest waters, the visibility tends to be in the range of tens of meters. Normally, tethered Remotely Operated Vehicles (ROVs) with underwater cameras are used for underwater imag... Read More about Fuzzy logic, edge enabled underwater video surveillance through partially wireless optical communication..

Vision based relative position estimation in surgical robotics. (2023)
Conference Proceeding
MUTHUKRISHNAN, R., KANNAN, S., PRABHU, R., ZHAO, Y., BHOWMICK, P. and HASAN, M.J. 2023. Vision based relative position estimation in surgical robotics. In Proceedings of the 2023 Network, multimedia and information technology international conference (NMITCON 2023), 1-2 September 2023, Bengaluru, India. Piscataway: IEEE [online], article number 10275973. Available from: https://doi.org/10.1109/NMITCON58196.2023.10275973

Teleoperation-based Robotic-Assisted Minimally In-vasive Surgery (RAMIS) has gained immense popularity in medical field. However, limited physical interaction between the surgeon and patient poses a significant challenge. In RAMIS, the surgeon operat... Read More about Vision based relative position estimation in surgical robotics..

Decision-support for decommissioning offshore platforms. (2023)
Thesis
EKE, E.C. 2023. Decision-support for decommissioning offshore platforms. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2270718

An estimated 2,500 offshore decommissioning projects are expected to be completed between 2018 and 2040 with significant accompanying challenges. In this research, a decision model for decommissioning offshore platforms is developed. The decommission... Read More about Decision-support for decommissioning offshore platforms..

Multimodal, software defined networking for subsea sensing and monitoring. (2023)
Conference Proceeding
STEWART, C., FOUGH, N. and PRABHU, R. 2023. Multimodal, software defined networking for subsea sensing and monitoring. In Proceedings of the 2023 IEEE Oceanic Engineering Society conference and exposition (OCEANS 2023): blue ocean planet earth, 5-8 June 2023, Limerick, Ireland. Piscataway: IEEE [online], document number 10244664. Available from: https://doi.org/10.1109/OCEANSLimerick52467.2023.10244664

The prevalence of oceanic industry and ocean borne interests has given rise to the concept of the Underwater Internet of Things as a vector for automation and data analytics in an environment hostile to anthropomorphic activity. Through the Internet... Read More about Multimodal, software defined networking for subsea sensing and monitoring..

Optical-fibre based sensors for monitoring offshore floating photovoltaic farms. (2023)
Conference Proceeding
STEWART, C., JOSEPH, C.S.J., JOHNY, J., ERDOGAN, N., FOUGH, N. and PRABHU, R. 2023. Optical fibre-based sensors for monitoring offshore floating photovoltaic farms. In Proceedings of 2023 IEEE Oceanic Engineering Society conference and exposition (OCEANS 2023): blue ocean planet earth, 5-8 June 2023, Limerick, Ireland. Piscataway: IEEE [online], document number 10244737. Available from: https://doi.org/10.1109/OCEANSLimerick52467.2023.10244737

Solar photovoltaic farms are seeing increasing expansion into new domains (offshore) in order to harvest the sunlight as society pushes towards reaching Net Zero by 2050. However, photovoltaics are bound by physics, parameters such as temperature and... Read More about Optical-fibre based sensors for monitoring offshore floating photovoltaic farms..

Detecting and tracking the position of suspicious objects using vision system. (2023)
Conference Proceeding
MUTHUKRISHNAN, R., KANNAN, S., PRABHU, R., ZHAO, Y. and BHOWMICK, P. 2023. Detecting and tracking the position of suspicious objects using vision system. In Bouma, H., Dijk, J., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Artificial intelligence for security and defence applications: 2023 proceedings of the SPIE (International Society of Optics and photonics) Security and defence conference, 4-5 September 2023, Amsterdam, Netherlands. Proceedings of the SPIE, 12742. Bellingham, WA: SPIE [online], article ID 127420C. Available from: https://doi.org/10.1117/12.2679801

Vision-based object tracking is crucial for both civil and military applications. A range of hazards to cyber safety, vital infrastructure, and public privacy are posed by the rise of drones, or unmanned aerial vehicles (UAV). As a result, identifyin... Read More about Detecting and tracking the position of suspicious objects using vision system..

Tracking and estimation of surgical instrument position and angle in surgical robot using vision system. (2023)
Conference Proceeding
MUTHUKRISHNAN, R., KANNAN, S., PRABHU, R., ZHAO, Y., BHOWMICK, P. and HASAN, M.J. 2023. Tracking and estimation of surgical instrument position and angle in surgical robot using vision system. In Proceedings of the 2023 Network, multimedia and information technology international conference (NMITCON 2023), 1-2 September 2023, Bengaluru, India. Piscataway: IEEE [online], article number 10275983. Available from: https://doi.org/10.1109/NMITCON58196.2023.10275983

A da Vinci robot endoscopic-camera gives surgeons a magnified 2D view of the operating area, but additional time is required to detect and estimate the location of the surgical-instrument during an operation. The main focus and novelty of this resear... Read More about Tracking and estimation of surgical instrument position and angle in surgical robot using vision system..

Extremely random forest based automatic tonic-clonic seizure detection using spectral analysis on electroencephalography data. (2023)
Conference Proceeding
STEWART, C., FUNG, WAI KEUNG, FOUGH, N. and PRABHU, R. 2023. Extremely random forest based automatic tonic-clonic seizure detection using spectral analysis on electroencephalography data. In Proceedings of the 21st IEEE (Institute of Electrical and Electronics Engineers) Interregional NEWCAS conference 2023 (NEWCAS 2023), 26-28 June 2023, Edinburgh, UK. Piscataway: IEEE [online], article 10198101. Available from: https://doi.org/10.1109/NEWCAS57931.2023.10198101

Machine learning proliferates society and has begun changing medicine. This report covers an investigation into how Extremely Random Forests combined with Fast Fourier Transform feature extraction performed on two-dimensional time-series Epileptic Se... Read More about Extremely random forest based automatic tonic-clonic seizure detection using spectral analysis on electroencephalography data..

Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. (2023)
Journal Article
AMADI, K., IYALLA, I., PRABHU, R., ALSABA, M. and WALY, M. 2023. Development of predictive optimization model for autonomous rotary drilling system using machine learning approach. Journal of petroleum exploration and production technology [online], 13(10), pages 2049-2062. Available from: https://doi.org/10.1007/s13202-023-01656-9

The growing global energy demand and strict environmental policies motivate the use of technology and performance improvement techniques in drilling operations. In the traditional drilling method, the effort and time required to optimize drilling dep... Read More about Development of predictive optimization model for autonomous rotary drilling system using machine learning approach..

Tracking and estimation of surgical tool pose based on the vision system for surgical robot. (2023)
Presentation / Conference
MUTHUKRISHNAN, R., KANNAN, S., ZHAO, Y. and PRABHU, R. 2023. Tracking and estimation of surgical tool pose based on the vision system for surgical robot. Presented at the 2nd MDMC (Medical device manufacturing centre) annual conference 2023, 31 May 2023, Dundee, UK.

The aim of this research is to customise a surgical robot. This research presents a Virtual Dynamic Tri-crossbar and a Virtual Stable Graph (VDT-VSG) which simplifies the task of tracing the needle angle and location.

Adaptive swarm optimisation assisted surrogate model for pipeline leak detection and characterisation. (2023)
Thesis
ADEGBOYE, M.A. 2023. Adaptive swarm optimisation assisted surrogate model for pipeline leak detection and characterisation. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-2071535

Pipelines are often subject to leakage due to ageing, corrosion and weld defects. It is difficult to avoid pipeline leakage as the sources of leaks are diverse. Various pipeline leakage detection methods, including fibre optic, pressure point analysi... Read More about Adaptive swarm optimisation assisted surrogate model for pipeline leak detection and characterisation..

Pipeline leakage detection and characterisation with adaptive surrogate modelling using particle swarm optimisation. (2022)
Conference Proceeding
ADEGBOYE, M.A., KARNIK, A., FUNG, W.-K. and PRABHU, R. 2022. Pipeline leakage detection and characterisation with adaptive surrogate modelling using particle swarm optimisation. In Proceedings of the 9th International conference on soft computing and machine intelligence 2022 (ISCMI 2022), 26-27 November 2022, Toronto, Candada. Piscataway: IEEE [online], pages 129-134. Available from: https://doi.org/10.1109/iscmi56532.2022.10068436

Pipelines are often subject to leakage due to ageing, corrosion, and weld defects, and it is difficult to avoid as the sources of leakages are diverse. Several studies have demonstrated the applicability of the machine learning model for the timely p... Read More about Pipeline leakage detection and characterisation with adaptive surrogate modelling using particle swarm optimisation..

Knudsen number sensitivity to pressure drop in a nanoscale membrane. (2022)
Conference Proceeding
RAMALAN, M.M., PRABHU, R., HASHM, I., OGUNLUDE, P., AISUENI, F., ABUNOMAH, O. and GOBINA, E. 2022. Knudsen number sensitivity to pressure drop in a nanoscale membrane. In Proceedings of the 2nd International congress on scientific advances 2022 (ICONSAD'22), 21-24 December 2022, [virtual conference]. Turkey: ICONSAD [online], pages 276-281. Available from: https://en.iconsad.org/_files/ugd/1dd905_c45aeddf416d497e93113f00f465739b.pdf

According to the kinetic theory of gases, gas molecules are in constant random motion and frequently collide with one another and with the walls of their container. They continuously experience changes in velocity and direction. Between collisions, m... Read More about Knudsen number sensitivity to pressure drop in a nanoscale membrane..

A simulation into the physical and network layers of optical communication network for the subsea video surveillance of illicit activity. (2022)
Conference Proceeding
STEWART, C., FOUGH, N. and PRABHU, R. 2022. A simulation into the physical and network layers of optical communication network for the subsea video surveillance of illicit activity. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Counterterrorism, crime fighting, forensics, and surveillance technologies VI: proceedings of the 6th Counterterrorism, crime fighting, forensics, and surveillance technologies, co-located with SPIE (Society of Photo-optical Instrumentation Engineers) Security + defence conference 2022, 5-6 September 2022, Berlin, Germany. Proceedings of SPIE, 12275. Bellingham, WA: SPIE [online], article 1227508. Available from: https://doi.org/10.1117/12.2641374

Criminal activity is increasingly entering the ocean subsurface with acts such as illegal fishing and narco-submarining becoming points of contention. This among other illicit acts taking place in this domain imply a need for surveillance to render t... Read More about A simulation into the physical and network layers of optical communication network for the subsea video surveillance of illicit activity..

Speckle pattern analysis of security holograms and related foils for quality assessment and authentication. (2022)
Conference Proceeding
KRISHNAN S., K., AMBADIYIL, S., JHA, A.K. and PRABHU, R. 2022. Speckle pattern analysis of security holograms and related foils for quality assessment and authentication. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Counterterrorism, crime fighting, forensics, and surveillance technologies VI: proceedings of the 6th Counterterrorism, crime fighting, forensics, and surveillance technologies, co-located with SPIE (Society of Photo-optical Instrumentation Engineers) Security + defence conference 2022, 5-6 September 2022, Berlin, Germany. Proceedings of SPIE, 12275. Bellingham, WA: SPIE [online], article 1227509. Available from: https://doi.org/10.1117/12.2635446

A speckle pattern is produced by the mutual interference of a set of coherent wavefronts. Speckle patterns typically occur in diffuse reflections of monochromatic light such a laser light. When a rough surface is illuminated by a coherent light is im... Read More about Speckle pattern analysis of security holograms and related foils for quality assessment and authentication..

An investigation into routing protocols for real-time sensing of subsurface oil wells. (2022)
Conference Proceeding
STEWART, C., FOUGH, N. and PRABHU, R. 2022. An investigation into routing protocols for real-time sensing of subsurface oil wells. In Valle, M., Lehmhus, D., Gianoglio, C. et al. (eds.) Advances in system-integrated intelligence: proceedings of the 6th International conference on system-integrated intelligence 2022 (SysInt 2022), 7-9 September 2022, Genova, Italy. Lecture notes in networks and systems (LNNS), 546. Cham: Springer [online], pages 689-699. Available from: https://doi.org/10.1007/978-3-031-16281-7_65

Pervasive computing has transformed society, and there is a desire to extend this mass data connectivity to the ocean, especially by energy companies seeking real-time sensor data from assets such as oil wells and pipelines. As evidenced by the Deepw... Read More about An investigation into routing protocols for real-time sensing of subsurface oil wells..

Automated tonic-clonic seizure detection using random forests and spectral analysis on electroencephalography data. (2022)
Conference Proceeding
STEWART, C., FUNG, W.K., FOUGH, N. and PRABHU, R. 2022. Automated tonic-clonic seizure detection using random forests and spectral analysis on electroencephalography data. In Valle, M., Lehmhus, D., Gianoglio, C. et al. (eds.) Advances in system-integrated intelligence: proceedings of the 6th International conference on system-integrated intelligence 2022 (SysInt 2022), 7-9 September 2022, Genova, Italy. Lecture notes in networks and systems (LNNS), 546. Cham: Springer [online], pages 679-688. Available from: https://doi.org/10.1007/978-3-031-16281-7_64

Artificial intelligence (AI) has a potential for impact in the diagnosis of neurological conditions, the academic consensus generally has a positive outlook regarding how AI can improve the care of stroke victims and those who suffer from neuro-degen... Read More about Automated tonic-clonic seizure detection using random forests and spectral analysis on electroencephalography data..

Effect of pore size and porosity on contact angle of ceramic membrane for oil-in-water emulsion separation. (2022)
Conference Proceeding
AISUENI, F., ABUNUMAH, O., HASHIM, I., RAMALAN, M., OGOUN, E., PRABHU, R., GIWA, A. and GOBINA, E. 2022. Effect of pore size and porosity on contact angle of ceramic membrane for oil-in-water emulsion separation. In Techconnect briefs 2022: papers from 2022 TechConnect world innovation conference and expo, 13-15 June 2022, Washington, USA. Danville: TechConnect [online], pages 59-62. Available from: https://briefs.techconnect.org/wp-content/volumes/TCB2022/pdf/174.pdf

The main objective of this work is to study the effect of pore size and porosity on contact angle of ceramic membrane (CM) for Oil-in-water (O/W) emulsion separation. This would include using commercially produced unmodified CM pore size 6000nm and 1... Read More about Effect of pore size and porosity on contact angle of ceramic membrane for oil-in-water emulsion separation..

The quantitative effect of flow direction on gas permeation in ceramic membrane. (2022)
Conference Proceeding
RAMALAN, M.M., PRABHU, R., HASHIM, I., OGUNLUDE, P., OGOUN, E., AISUENI, F., ABUNOMAH, O., GIWA, A. and GOBINA, E. 2022. The quantitative effect of flow direction on gas permeation in ceramic membrane. In Techconnect briefs 2022: papers from 2022 TechConnect world innovation conference and expo, 13-15 June 2022, Washington, USA. Danville: TechConnect [online], pages 55-58. Available from: https://briefs.techconnect.org/wp-content/volumes/TCB2022/pdf/358.pdf

The effect of flow direction in radial porous ceramic membrane has been extensively studied. Understanding fluid flow through membrane has offered utility to a number of industrial processes such as gas separation, catalytic reactions, enhanced oil r... Read More about The quantitative effect of flow direction on gas permeation in ceramic membrane..

Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. (2022)
Journal Article
RAMAGE, S.J.F.F., PAGALING, E., HAGHI, R.K., DAWSON, L.A., YATES, K., PRABHU, R., HILLIER, S. and DEVALLA, S. 2022. Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation. Science of the total environment, [online], 831, article 154912. Available from: https://doi.org/10.1016/j.scitotenv.2022.154912

Microplastics (MPs) are present in all environments, and concerns over their possible detrimental effects on flora and fauna have arisen. Density separation (DS) is commonly used to separate MPs from soils to allow MP quantification; however, it freq... Read More about Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation..

Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges. (2022)
Journal Article
FASIAL, N.H., AHMED, R., SELLAMI, N. et al. 2022. Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges. Advanced engineering materials [online], 24(7), article number 2200171. Available from: https://doi.org/10.1002/adem.202200171

This review aims to consolidate scattered literature on thermally sprayed coatings with nonionizing electromagnetic (EM) wave absorption and shielding over specific wavelengths potentially useful in diverse applications (e.g., microwave to millimeter... Read More about Thermal spray coatings for electromagnetic wave absorption and interference shielding: a review and future challenges..

A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems. (2021)
Thesis
HEIDARIAN, M. 2021. A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1677972

Wireless power transfer (WPT) is a well-established method of energising electrically-powered devices. Among the different available WPT techniques, Resonant Inductive Power Transfer (RIPT) has been adapted for use in a wide range of applications. Th... Read More about A design technique for geometric optimisation of resonant coil sizes in low to mid frequency inductive power transmission systems..

Chemical detection of explosives in soil for locating buried landmines. (2021)
Conference Proceeding
KARNIK, S. and PRABHU, R. 2021. Chemical detection of explosives in soil for locating buried landmines. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 5th Counterterrorism, crime fighting, forensics, and surveillance technologies conference, part of the 2021 SPIE Security + defence conference, 13-17 September 2021, [virtual conference]. Proceedings of SPIE, 11869. Bellingham, WA: SPIE [online], article ID 118690A. Available from: https://doi.org/10.1117/12.2601741

Trinitrotoluene (TNT) is a highly explosive nitroaromatic compound that is used for military and terrorist activities such as the development of improvised explosive devices (IEDs), landmines and is the main charge or explosive in most of the anti-pe... Read More about Chemical detection of explosives in soil for locating buried landmines..

Optical fibre-based sensors for oil and gas applications. (2021)
Journal Article
JOHNY, J., AMOS, S. and PRABHU, R. 2021. Optical fibre-based sensors for oil and gas applications. Sensors [online], 21(8), article 6047. Available from: https://doi.org/10.3390/s21186047

Oil and gas (O&G) explorations moving into deeper zones for enhanced oil and gas recovery are causing serious safety concerns across the world. The sensing of critical multiple parameters like high pressure, high temperature (HPHT), chemicals, etc.,... Read More about Optical fibre-based sensors for oil and gas applications..

Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCL. (2021)
Journal Article
PRAVEEN, B.M., ALHADHRAMI, A., PRASANNA, B.M., HEBBAR, N. and PRABHU, R. 2021. Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCl. Coatings [online], 11(8), article 965. Available from: https://doi.org/10.3390/coatings11080965

This study discusses the effects of temperature on corrosion inhibition for soft-cast steel by the pharmaceutically active drug olmesartan in 1 mol dm−3 HCl. The sufficient number of electron-rich elements and non-bonding π electrons in its structure... Read More about Anti-corrosion behavior of olmesartan for soft-cast steel in 1 mol dm−3 HCL..

Cooperative localisation in underwater robotic swarms for ocean bottom seismic imaging. (2021)
Thesis
SABRA, A. 2021. Cooperative localisation in underwater robotic swarms for ocean bottom seismic imaging. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1358139

Spatial information must be collected alongside the data modality of interest in wide variety of sub-sea applications, such as deep sea exploration, environmental monitoring, geological and ecological research, and samples collection. Ocean-bottom se... Read More about Cooperative localisation in underwater robotic swarms for ocean bottom seismic imaging..

Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. (2021)
Thesis
BALOGUN, Y. 2021. Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1357866

Relative permeability is affected by several flow parameters, predominantly operating temperature and fluid viscosity. Fluid viscosity changes with temperature, which correspondingly affects the relative permeability. Temperature is believed to have... Read More about Numerical and experimental study of the impact of temperature on relative permeability in an oil and water system..

Potential for Nile red dye-based analysis of microplastics from oceanic samples. (2020)
Conference Proceeding
MICHELARAKI, M., JOSEPH, O., KARNIK, S., DEVALLA, S., MADANAN, K. and PRABHU, R. 2020. Potential for Nile red dye-based analysis of microplastics from oceanic samples. In Proceedings of the 2020 Global OCEANS: Singapore - U.S. Gulf Coast conference (Global OCEANS 2020: Singapore - U.S. Gulf Coast), 5-14 October 2020, [virtual conference]. Piscataway: IEEE [online], article ID 9389207. Available from: https://doi.org/10.1109/IEEECONF38699.2020.9389207

The Global production of plastics has exceeded over 300 million metric tons. Billions of tons of plastic waste that is generated gets accumulated as plastic debris in soil, sediments, oceans and surface water with no obvious strategy to tackle them.... Read More about Potential for Nile red dye-based analysis of microplastics from oceanic samples..

Improving the design approach to developing through-metal communications for use in subsea pipeline robots. (2020)
Conference Proceeding
HEIDARIAN, M., BURGESS, S.J. and PRABHU, R. 2020. Improving the design approach to developing through-metal communications for use in subsea pipeline robots. In Proceedings of the 2020 Global OCEANS: Singapore - U.S. Gulf Coast conference (Global OCEANS 2020: Singapore - U.S. Gulf Coast), 5-14 October 2020, [virtual conference]. Piscataway: IEEE [online], article ID 9389281. Available from: https://doi.org/10.1109/IEEECONF38699.2020.9389281

Vital inspection and repair operations on subsea pipelines usually involve pipe-bore robots, which must be controlled and monitored from outside the pipe. In many situations cables cannot be connected to the in-pipe robot and duplex wireless communic... Read More about Improving the design approach to developing through-metal communications for use in subsea pipeline robots..

Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. (2020)
Conference Proceeding
JOHNY, J., KARNIK, S. and PRABHU, R. 2020. Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 4th Counterterrorism, crime fighting, forensics, and surveillance technologies conference 2020, co-located with the Society of Photo-Optical Instrumentation Engineers (SPIE) Security and defence 2020 conference, 21-25 September 2020, [virtual conference]. Proceedings of the SPIE, 11542. Bellingham, WA: SPIE [online], article ID 115420Q. Available from: https://doi.org/10.1117/12.2574356

Trace detection and identification of hazardous volatile explosives has been a key challenge to the scientific community past many decades. Commercially available various analytical and spectroscopic techniques suffer from low sensitivity, swabbing o... Read More about Investigations of hollow-core photonic crystal fibres (HC-PCF) for trace explosive vapour detection..

Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters. (2020)
Thesis
HEBALA, O.M. 2020. Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Multi active bridge (MAB) DC-DC converters have attracted significant research attention in power conversion applications within DC microgrids, medium voltage DC and high voltage DC transmission systems. This is encouraged by MAB's several functional... Read More about Design and analysis of current stress minimalisation controllers in multi-active bridge DC-DC converters..

Maximising inductive power transmission using a novel analytical coil design approach. (2019)
Conference Proceeding
HEIDARIAN, M., BURGESS, S.J., PRABHU, R. and FOUGH, N. 2019. Maximising inductive power transmission using a novel analytical coil design approach. In Proceedings of the 2019 IEEE MTT-S wireless power transfer conference (WPTC 2019), co-located with the 2019 IEEE PELS workshop on emerging technologies: wireless power (WoW 2019) as part of Wireless power week 2019, 18-21 June 2019, London, UK. New York: IEEE [online], pages 158-161. Available from: https://doi.org/10.1109/WPTC45513.2019.9055553

Maximising power transfer efficiency (PTE) in resonant inductive power transfer (IPT) systems requires strong coupling between transmitter and receiver coils. In applications where system constraints yield a weak inductive link (e.g. significant dist... Read More about Maximising inductive power transmission using a novel analytical coil design approach..

The development of an electrochemical sensing device for controlled drugs. (2019)
Thesis
WADDELL, S.A. 2019. The development of an electrochemical sensing device for controlled drugs. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1677791

Forensic chemists can be faced with a wide array of substances to test when attending clandestine drug manufacture crime scenes. Whilst many techniques exist at their disposal - such as chemical colour test reagents and immunoassays - these methods a... Read More about The development of an electrochemical sensing device for controlled drugs..

Optimal coil design for maximum power transfer efficiency in resonantly coupled systems. (2019)
Conference Proceeding
HEIDARIAN, M., BURGESS, S.J., PRABHU, R. and FOUGH, N. 2019. Optimal coil design for maximum power transfer efficiency in resonantly coupled systems. In Proceedings of 2019 United States National Committee for the International Union for Radio Science (USNC-URSI) radio science meeting (URSI 2019), co-located with 2019 Antennas and propagation symposium (AP-S/URSI 2019), 7-12 July 2019, Atlanta, USA. Piscataway: IEEE [online], pages 73-74. Available from: https://doi.org/10.1109/USNC-URSI.2019.8861834

Maintaining maximum power transfer efficiency (PTE) is one of the main challenges in resonant inductive power transfer (IPT) systems. Maximum PTE can be achieved if the coupling between transmitter and receiver coils is strong. One way of achieving t... Read More about Optimal coil design for maximum power transfer efficiency in resonantly coupled systems..

Nile red-dye based analysis of synthetic fibres for forensic applications. (2019)
Conference Proceeding
DEVALLA, S., JOSEPH, O. and PRABHU, R. 2019. Nile red-dye based analysis of synthetic fibres for forensic applications. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 3rd Counterterrorism, crime fighting, forensics, and surveillance technologies conference 2019: co-located with the Society of Photo-Optical Instrumentation Engineers (SPIE) Security and defence 2019 conference, 9-12 September 2019, Strasbourg, France. Proceedings of the SPIE, 11166. Bellingham, WA: SPIE [online], article ID 111660Y. Available from: https://doi.org/10.1117/12.2536780

Forensic evaluation of crime scenes normally involves examination of textile fibers, to find out the association between an individual and a crime scene, or between a suspect and a victim. The forensic samples normally include a mix of various types,... Read More about Nile red-dye based analysis of synthetic fibres for forensic applications..

Fluorescence lifetime assisted enhanced security feature in travel documents for border control and security applications. (2019)
Conference Proceeding
JOHNY, J., OFFICER, S., FUNG, W. K. and PRABHU, R. 2019. Fluorescence lifetime assisted enhanced security feature in travel documents for border control and security applications. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 3rd Counterterrorism, crime fighting, forensics, and surveillance technologies conference 2019: co-located with the Society of Photo-Optical Instrumentation Engineers (SPIE) Security and defence 2019 conference, 9-12 September 2019, Strasbourg, France. Proceedings of the SPIE, 11166. Bellingham, WA: SPIE [online], article ID 1116608. Available from: https://doi.org/10.1117/12.2535742

Border management and security challenges are increasing considerably in recent years. One of the major concerns is counterfeiting and fraudulent use of identity and other travel documents for crossing border controls. This poses serious threats and... Read More about Fluorescence lifetime assisted enhanced security feature in travel documents for border control and security applications..

Investigations towards the development of a novel multimodal fibre optic sensor for oil and gas applications. (2019)
Thesis
JOHNY, J. 2019. Investigations towards the development of a novel multimodal fibre optic sensor for oil and gas applications. Robert Gordon University [online], PhD thesis. Available from: https://openair.rgu.ac.uk

Oil and gas (O&G) explorations are moving into deeper zones of earth, causing serious safety concerns. Hence, sensing of critical multiple parameters like high pressure, high temperature (HPHT), chemicals, etc., are required at longer distances. Trad... Read More about Investigations towards the development of a novel multimodal fibre optic sensor for oil and gas applications..

Using static concentrator technology to achieve global energy goal. (2019)
Journal Article
ALAMOUDI, A., SAADUDDIN, S.M., MUNIR, A.B., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., YASIN, S.H.M., KARIM, R., BANI, N.A., MAS'UD, A.A., ARDILA-REY, J.A., PRABHU, R. and SELLAMI, N. 2019. Using static concentrator technology to achieve global energy goal. Sustainability [online], 11(11), article ID 3056. Available from: https://doi.org/10.3390/su11113056

Solar energy has demonstrated promising prospects in satisfying energy requirements, specifically through solar photovoltaic (PV) technology. Despite that, the cost of installation is deemed as the main hurdle to the widespread uptake of solar PV sys... Read More about Using static concentrator technology to achieve global energy goal..

Development of a ring cavity-based fibre optic sensor for MR-compatible medical sensing applications. (2019)
Journal Article
BHAVSAR, K., VISWAMBARAN, V., JOHNY, J., KAILASNATH, M., MELZER, A. and PRABHU, R. 2019. Development of a ring cavity-based fibre optic sensor for MR-compatible medical sensing applications. IOP conference series: materials science and engineering [online], 499: proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany, article number 012013. Available from: https://doi.org/10.1088/1757-899x/499/1/012013

Advances in robotic systems and rapid developments in minimally invasive surgery (MIS) have made their use possible in the operating room due to many distinct advantages offered by MIS over conventional surgical procedures. The constant increase of m... Read More about Development of a ring cavity-based fibre optic sensor for MR-compatible medical sensing applications..

Effect of silver incorporation on the structural and morphological characteristics of RF sputtered indium oxide films. (2019)
Journal Article
SILPA SATHEESH, B., KAVITHA, V.S., KRISHNAN, R., CHALANA, S.R., SURESH, S., PRABHU, R. and MAHADEVAN PILLAI, V.P. 2019. Effect of silver incorporation on the structural and morphological characteristics of RF sputtered indium oxide films. IOP conference series: materials science and engineering [online], 499: proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany, article number 012001. Available from: https://doi.org/10.1088/1757-899x/499/1/012001

Radio frequency (RF) magnetron sputtered silver incorporated indium oxide thin films were prepared and their structural and morphological properties were studied using micro- Raman spectroscopy, Atomic Force Microscopy (AFM), Field Emission Scanning... Read More about Effect of silver incorporation on the structural and morphological characteristics of RF sputtered indium oxide films..

Investigations on sensitivity enhancement of SPR biosensor using tunable wavelength and graphene layers. (2019)
Journal Article
BHAVSAR, K. and PRABHU, R. 2019. Investigations on sensitivity enhancement of SPR biosensor using tunable wavelength and graphene layers. IOP conference series: materials science and engineering [online], 499: proceedings of the 4th International conference on structural nano composites (NANOSTRUC 2018), 23-24 May 2018, Berlin, Germany, article number 012008. Available from: https://doi.org/10.1088/1757-899x/499/1/012008

Surface plasmon resonance (SPR) is a well-known, rapid and sensitive technique used for probing the biomolecular interactions in real time. Several new approaches have been suggested to improve the sensitivity of SPR sensors over the last two decades... Read More about Investigations on sensitivity enhancement of SPR biosensor using tunable wavelength and graphene layers..

Effect of tungsten doping on the properties of In2O3 films. (2019)
Journal Article
KRISHNAN, R.R., KAVITHA, V.S., CHALANA, S.R., PRABHU, R. and PILLAI, V.P.M. 2019. Effect of tungsten doping on the properties of In2O3 films. JOM: journal of the minerals, metals and materials society [online], 71(5), pages 1885-1896. Available from: https://doi.org/10.1007/s11837-019-03426-7

Highly crystalline tungsten oxide (WO3)-doped indium oxide (In2O3) films are synthesized at room temperature by the RF magnetron sputtering technique. The structural and morphological properties of the as-deposited films and the films annealed at a t... Read More about Effect of tungsten doping on the properties of In2O3 films..

Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications. (2019)
Journal Article
KAVITHA, V.S., BOSE, R.J., SREEDHARAN, R.S., SUDARSANAKUMAR, C., PRABHU, R. and PILLAI, V.P.M. 2019. Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications. JOM journal of the minerals, metals and materials society [online], 71(5), pages 1874-1884. Available from: https://doi.org/10.1007/s11837-019-03425-8

Highly ordered ZnO-doped WO3 thin films with good crystalline quality are prepared using radio frequency magnetron sputtering technique, and its morphological and structural properties are studied using various characterization tools such as field em... Read More about Highly ordered good crystalline ZnO-doped WO3 thin films suitable for optoelectronic applications..

Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method. (2019)
Journal Article
JOHN, J., CHALANA, S.R., PRABHU, R. and PILLAI, V.P.M. 2019. Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method. Applied physics A: materials science and processing [online], 123(3), article 155. Available from: https://doi.org/10.1007/s00339-019-2432-0

BaSnO3 thin films were deposited on quartz substrate by pulsed laser deposition technique under different background oxygen pressures and the effects of oxygen pressure on the structural, morphological and optical properties of BaSnO3 thin films are... Read More about Effect of oxygen pressure on the structural and optical properties of BaSnO3 films prepared by pulsed laser deposition method..

Generalized small-signal modelling of dual active bridge DC/DC converter. (2018)
Conference Proceeding
HEBALA, O.M., ABOUSHADY, A.A., AHMED, K.H., BURGESS, S. and PRABHU, R. 2018. Generalized small-signal modelling of dual active bridge DC/DC converter. In Proceedings of the 7th International conference on renewable energy research and applications (ICRERA 2018), 14-17 October 2018, Paris, France. Piscataway: IEEE [online], article ID 8567014, pages 914-919. Available from: https://doi.org/10.1109/ICRERA.2018.8567014

This paper presents a novel generalised approach of the small-signal modelling of dual active bridge (DAB) DC/DC converter. The adopted analysis is based on a per-unit fundamental frequency representation of the DAB. The outcome of the proposed model... Read More about Generalized small-signal modelling of dual active bridge DC/DC converter..

Optical fibre-based minimally-invasive blood glucose monitoring system. (2018)
Thesis
VISWAMBARAN, V. 2018. Optical fibre-based minimally-invasive blood glucose monitoring system. Robert Gordon University [online], MRes thesis. Available from: https://openair.rgu.ac.uk

Obesity and changing lifestyles have made diabetes mellitus one of the world’s foremost metabolic syndromes, affecting the lives of around 380 million people worldwide. Although considered incurable, adverse effects of diabetes can be controlled by t... Read More about Optical fibre-based minimally-invasive blood glucose monitoring system..

Confidence-based underwater localization scheme for large-scale mobile sensor networks. (2018)
Conference Proceeding
SABRA, A., FUNG, W.-K. and RADHAKRISHNA, P. 2018. Confidence-based underwater localization scheme for large-scale mobile sensor networks. In Proceedings of the 2018 Marine Technology Society and Institute of Electrical and Electronics Engineers (MTS/IEEE) OCEANS conference (OCEANS 2018 MTS/IEEE), 22-25 October 2018, Charleston, USA. Piscataway, NJ: IEEE [online], article ID 8604878. Available from: https://doi.org/10.1109/OCEANS.2018.8604878

The absence of Global Positioning System in underwater environment predominates in the challenges of underwater vehicles navigation or sensor nodes tracking. Localization of single or few underwater vehicles has been fostered in recent years. However... Read More about Confidence-based underwater localization scheme for large-scale mobile sensor networks..

Waveguide-based machine readable fluorescence security feature for border control and security applications. (2018)
Conference Proceeding
JOHNY, J., BHAVSAR, K., OFFICER, S., ADAMS, M., PRABHU, R. 2018. Waveguide-based machine readable fluorescence security feature for border control and security applications. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 2nd Counterterrorism, crime fighting, forensics and surveillance technologies 2018 conference: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence conference 2018, 10-13 September 2018, Berlin, Germany. Proceedings of the (SPIE), 10802. Bellingham, WA: SPIE [online], article ID 1080209. Available from: https://doi.org/10.1117/12.2501974

Border security challenges and immigration issues are increasing considerably in recent years. Counterfeiting and fraudulent use of identity and other travel documents are posing serious threats and safety concerns worldwide, ever since the advanceme... Read More about Waveguide-based machine readable fluorescence security feature for border control and security applications..

Feasibility analysis of unique ID (UID) generation for personal authentication of valuable documents using dorsal hand vein pattern. (2018)
Conference Proceeding
AMBADIYIL, S., JAYARAIAN, R., PILLAI, V.P.M. and PRABHU, R. 2018. Feasibility analysis of unique ID (UID) generation for personal authentication of valuable documents using dorsal hand vein pattern. In Bouma, H., Prabhu, R., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 2nd Counterterrorism, crime fighting, forensics and surveillance technologies 2018 conference: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence conference 2018, 10-13 September 2018, Berlin, Germany. Proceedings of the SPIE, 10802. Bellingham, WA: SPIE [online], article ID 108020H. Available from: https://doi.org/10.1117/12.2325346

Reliable personal authentication is a critical and vital obligation to the security in all the real-world applications. Nevertheless, biometric features are effectively used for the personal authentication, in some cases the criminal impersonation is... Read More about Feasibility analysis of unique ID (UID) generation for personal authentication of valuable documents using dorsal hand vein pattern..

Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. (2018)
Journal Article
KRISHNAN, R.R., SANJEEV, G., PRABHU, R. and PILLAI, V.P.M. 2018. Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. JOM: journal of the Minerals, Metals and Materials Society [online], 70(5), pages 739-746. Available from: https://doi.org/10.1007/s11837-018-2776-5

Undoped and Cu-doped In2O3 films were prepared by radiofrequency magnetron sputtering technique. The effects of Cu doping and high-energy electron beam irradiation on the structural and optical properties of as-prepared films were investigated using... Read More about Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering..

Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications. (2018)
Thesis
AMOS, S.U. 2018. Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications. Robert Gordon University, PhD thesis.

Measurements of physical parameters like pressure, temperature, flow rate, vibrations and displacement in harsh environment are often desired in the oil and gas industry. Pressure and temperature are the most important parameters among them. Changes... Read More about Cross sensitivity analysis of optical fibre-based sensing for high pressure, high temperature measurement in oil and gas applications..

Design optimization of Cassegrain telescope for remote explosive trace detection. (2017)
Conference Proceeding
BHAVSAR, K., ESELLER, K.E. and PRABHU, R. 2017. Design optimization of Cassegrain telescope for remote explosive trace detection. In Bourma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 1st Counterterrorism, crime fighting, forensics and surveillance technologies conference 2017: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence 2017 conference, 11-12 September 2017, Warsaw, Poland. Proceedings of SPIE, 10441. Bellingham, WA: SPIE [online], article number 1044103. Available from: https://doi.org/10.1117/12.2277932

The past three years have seen a global increase in explosive-based terror attacks. The widespread use of improvised explosives and anti-personnel landmines have caused thousands of civilian casualties across the world. Current scenario of globalized... Read More about Design optimization of Cassegrain telescope for remote explosive trace detection..

Banknote authentication using chaotic elements technology. (2017)
Conference Proceeding
AMBADIYIL, S., KRISHNENDU, P.S., PILLAI, V.P.M. and PRABHU, R. 2017. Banknote authentication using chaotic elements technology. In Bourma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 1st Counterterrorism, crime fighting, forensics and surveillance technologies conference 2017: co-located with the Society of Photo-optical Instrumentation Engineers (SPIE) Security and defence 2017 conference, 11-12 September 2017, Warsaw, Poland. Proceedings of SPIE, 10441. Bellingham, WA: SPIE [online], article number 1044104. Available from: https://doi.org/10.1117/12.2278343

The counterfeit banknote is a growing threat to the society since the advancements in the field of computers, scanners and photocopiers, as they have made the duplication process for banknote much simpler. The fake note detection systems developed so... Read More about Banknote authentication using chaotic elements technology..

A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. (2017)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis. Journal of environmental chemical engineering [online], 5(4), pages 3942-3948. Available from: https://doi.org/10.1016/j.jece.2017.07.068

A novel photocatalytic reactor based on a stirred tank configuration has been described. This reactor employs the use of photocatalytic impellers to aid the mass transport of gaseous organic compounds during photocatalytic reactions. Experiments invo... Read More about A photocatalytic impeller reactor for gas phase heterogeneous photocatalysis..

Effect of RF power on the structural and optical properties of zinc sulfide films. (2017)
Journal Article
CHALANA, S.R., SANKARARAMAN, S., PRABHU, R. and PILLAI, V.P.M. 2017. Effect of RF power on the structural and optical properties of zinc sulfide films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2264-2271. Available from: https://doi.org/10.1007/s11837-017-2459-7

Zinc sulfide (ZnS) films were prepared via a radio frequency (RF) magnetron sputtering technique using different RF powers (100, 120, 150, and 180 W), and the effects of the RF power on the structural and optical properties of the films were studied... Read More about Effect of RF power on the structural and optical properties of zinc sulfide films..

Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. (2017)
Conference Proceeding
PRABHU, R., HEWITT, F., GEORGIEVA, G., MEENAKSHI, H.N., LAWTON, L.A. and ROBERTSON, P.K.J. 2017. Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8085011, pages 2623-2627. Available from: https://doi.org/10.1109/OCEANSE.2017.8085011

Photocatalytic technology using TiO2 is one of the emerging approaches for water treatment, especially as a final step to remove complex organics such as pesticides, hormones or humic acids. Titanium dioxide (TiO2) is a semiconductor material with st... Read More about Energy efficient operation of photocatalytic reactors based on UV LEDs for pollution remediation in water..

Design of optical fibre based highly sensitive acoustic sensor for underwater applications. (2017)
Conference Proceeding
JOHNY, J., SMITH, T., BHAVSAR, K. and PRABHU, R. 2017. Design of optical fibre based highly sensitive acoustic sensor for underwater applications. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084974, pages 2393-2397. Available from: https://doi.org/10.1109/OCEANSE.2017.8084974

Fibre optic sensing is a key technology for a variety of underwater sensing and monitoring applications. Fibre optic acoustic sensors are mainly based on interferometric detection approach where the acoustic pressure-induced phase shift of light has... Read More about Design of optical fibre based highly sensitive acoustic sensor for underwater applications..

Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures. (2017)
Conference Proceeding
JOHNY, J., SUMMERS, J., BHAVSAR, K., JOSEPH, G.P., FUNG, W.-K. and PRABHU, R. 2017. Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084976, pages 2406-2410. Available from: https://doi.org/10.1109/OCEANSE.2017.8084976

Fibre Bragg Grating (FBG) is a key technology for condition monitoring of different offshore oil and gas structures. FBG sensors are used to sense different physical parameters such as strain, temperature, vibration, etc. This paper investigates the... Read More about Theoretical investigation of positional influence of FBG sensors for structural health monitoring of offshore structures..

Fibre optic sensor to detect heavy metal pollutants in water environments. (2017)
Conference Proceeding
BHAVSAR, K., HURSTON, E., PRABHU, R. and JOSEPH, G.P. 2017. Fibre optic sensor to detect heavy metal pollutants in water environments. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084982, pages 2441-2444. Available from: https://doi.org/10.1109/OCEANSE.2017.8084982

Heavy metal ion pollution emerges as a potential threat to humankind and the ecosystem due to their increased spreading into the environment. Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods... Read More about Fibre optic sensor to detect heavy metal pollutants in water environments..

Design of a smart security registration plate for seagoing motorized non-mechanical crafts. (2017)
Conference Proceeding
AMABDIYIL, S., JOSE, S., PILLAI, V.P.M. and PRABHU, R. 2017. Design of a smart security registration plate for seagoing motorized non-mechanical crafts. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084868, pages 1755-1761. Available from: https://doi.org/10.1109/OCEANSE.2017.8084868

Unauthorized and uncertified small seagoing fishing crafts are being widely used for illegal, unreported and unregulated fishing, especially in the Indian sub-continent. Nevertheless, the registration is mandatory; the display of the registration mar... Read More about Design of a smart security registration plate for seagoing motorized non-mechanical crafts..

Integrated self-healing of the composite offshore structures. (2017)
Conference Proceeding
GUPTA, R., PANCHOLI, K., PRABHU, R., PANCHOLI, M., HUO, D., JHA, V. and LATTO, J. 2017. Integrated self-healing of the composite offshore structures. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8084828, pages 1514-1517. Available from: https://doi.org/10.1109/OCEANSE.2017.8084828

The self-repairing composite materials integrated with sensing is way forward to reduce maintenance cost and increase consumer safety. In this work, the novel self-healing carbon fibre reinforced unidirectional bulk tape of simple architecture is pre... Read More about Integrated self-healing of the composite offshore structures..

Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications. (2017)
Conference Proceeding
AMOS, S., PRABHU, R. and NJUGUNA, J. 2017. Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications. In Proceedings of OCEANS 2017, 19-22 June 2017, Aberdeen, UK. New York: IEEE [online], article number 8085023, pages 2680-2686. Available from: https://doi.org/10.1109/OCEANSE.2017.8085023

The theoretical design and analysis of a metal coated hybrid sensing system of Fibre Bragg Grating (FBG) and Extrinsic Fabry-Perot Interferometer (EFPI) cavity for high pressure high temperature (HPHT) measurement in subsea underwater applications is... Read More about Theoretical design and analysis of a sensing system for high pressure and temperature measurement in subsea underwater applications..

Computational study of nanostructured composite materials for photonic crystal fibre sensors. (2017)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.-K. 2016. Computational study of nanostructured composite materials for photonic crystal fibre sensors. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012012. Available from: https://doi.org/10.1088/1757-899X/195/1/012012

Photonic Crystal Fibres (PCFs) developed using nanostructured composite materials provides special optical properties which can revolutionise current optical sensing technologies. The modal and propagation characteristics of the PCF can be tailored b... Read More about Computational study of nanostructured composite materials for photonic crystal fibre sensors..

Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. (2017)
Journal Article
JOHN, J., PILLAI, V.P.M., THOMAS, A.R., PHILIP, R., JOSEPH, J., MUTHUNATESAN, S., RAGAVENDRAN, V. and PRABHU, R. 2016. Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method. IOP conference series: materials science and engineering [online], 195: proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-16 September 2016, Aberdeen, UK, article number 012007. Available from: https://doi.org/10.1088/1757-899X/195/1/012007

BaSnO3 is a cubic perovskite-type oxide that behaves as an n-type semiconductor with a wide band gap of 3.4 eV and remains stable at temperatures up to 1000{deg}C. It has wide applications such as thermally stable capacitors, humidity sensors, gas se... Read More about Synthesis, structural and morphological property of BaSnO3 nanopowder prepared by solid state ceramic method..

Numerical investigation of nanostructured silica PCFs for sensing applications. (2017)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.K. 2017. Numerical investigation of nanostructured silica PCFs for sensing applications. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2286-2291. Available from: https://doi.org/10.1007/s11837-017-2366-y

Photonic crystal fibers (PCFs) developed using nanostructured composite materials provide special optical properties. PCF light propagation and modal characteristics can be tailored by modifying their structural and material parameters. Structuring a... Read More about Numerical investigation of nanostructured silica PCFs for sensing applications..

Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. (2017)
Journal Article
HRIDYA, S., KAVITHA, V.S., CHALANA, S.R., RESHMI KRISHNAN, R., SREEJA SREEDHARAN, R., SURESH, S., NAMPOORI, V.P.N., SANKARARAMAN, S., PRABHU, R. and MAHADEVAN PILLAI, V.P. 2017. Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films. JOM: journal of the Minerals, Metals and Materials Society [online], 69(11), pages 2272-2277. Available from: https://doi.org/10.1007/s11837-017-2360-4

Barium tungstate films with different Dy3+ doping concentrations, namely 0 wt.%, 1 wt.%, 3 wt.% and 5 wt.%, are deposited on cleaned quartz substrate by radio frequency magnetron sputtering technique and the prepared films are annealed at a temperatu... Read More about Study on the structural, morphological and optical properties of RF-sputtered dysprosium-doped barium tungstate thin films..

Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. (2016)
Journal Article
WADDELL, S.A., FERNANDEZ, C., INVERARITY, C.C. and PRABHU, R. 2017. Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine. Sensing and bio-sensing research [online], 13, pages 28-39. Available from: https://doi.org/10.1016/j.sbsr.2016.12.001

Benzylpiperazine (BZP) is a novel psychoactive substance that is commonly abused in tablet form as an 'ecstasy-type' drug. Electroanalysis offers genuine potential for field testing of bulk drug samples. This research is the first to investigate the... Read More about Extending the capability of forensic electrochemistry to the novel psychoactive substance benzylpiperazine..

Holographic interferometry for security and forensic applications. (2016)
Conference Proceeding
AMBADIYIL, S., SREELEKSHMI, R.C., PILLAI, V.P.M. and PRABHU, R. 2016. Holographic interferometry for security and forensic applications. In Burgess, D., Owen, G., Bouma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 12th Optics and photonics for counterterrorims, crime fighting and defence conference 2016: co-located with Society of Photographic Instrumentation Engineers (SPIE) security and defence conference, 26-27 September 2016, Edinburgh, UK. Proceedings of SPIE, 9995. Bellingham: SPIE [online], article ID 999502. Available from: https://doi.org/10.1117/12.2242153

Security holograms having unique 3D images are one of the tools for enhancing the security for product and personnel authentication and anti-counterfeiting. Apart from the high technology that is required, the uniqueness of a 3D object presents a sig... Read More about Holographic interferometry for security and forensic applications..

Investigations on the development of a novel hybrid sensor for environmental monitoring applications. (2016)
Thesis
BHAVSAR, K. 2016. Investigations on the development of a novel hybrid sensor for environmental monitoring applications. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1677500

Heavy metal toxicity is a major environmental problem world-wide. Increased spreading and high concentration levels of the toxic heavy metals in water environments have posed a severe threat to human health and the ecosystem. Over the years, to impro... Read More about Investigations on the development of a novel hybrid sensor for environmental monitoring applications..

Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. (2016)
Conference Proceeding
JOHNY, J., PRABHU, R., FUNG, W.K. and WATSON, J. 2016. Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures. In Proceedings of the 2016 Marine Technology Society/Institute of Electrical and Electronics Engineers (MTS/IEEE) OCEANS conference: our future is with oceans, 10-13 April 2016, Shanghai, China. Piscataway: IEEE [online], paper ID 7485662. Available from: https://dx.doi.org/10.1109/OCEANSAP.2016.7485662

Condition monitoring of offshore structures is an indispensable task in the oil and gas industry. Fibre Bragg Grating (FBG) is the key technology used down-hole in order to sense different physical parameters such as strain, vibration, etc. This pape... Read More about Investigation of positioning of FBG sensors for smart monitoring of oil and gas subsea structures..

Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications. (2016)
Journal Article
JOHNY, J., PRABHU, R. and FUNG, W.K. 2016. Investigation of structural parameter dedendance of confinement losses in PCF-FBG sensor for oil and gas sensing applications. Optical and quantum electronics [online], 48, article number 252. Available from: https://doi.org/10.1007/s11082-016-0528-8

Photonic crystal fibre (PCF)–fibre bragg grating (FBG) integration opens up new possibilities in multi-parameter fibre-optic sensing, owing to their active control over light characteristics and mode confinements. Their integration results in a misma... Read More about Investigation of structural parameter dependence of confinement losses in PCF–FBG sensor for oil and gas sensing applications..

Rate-dependent polymer adsorption in porous media. (2016)
Journal Article
IDAHOSA, P.E.G., OLUYEMI, G.F., OYENEYIN, M.B. and PRABHU, R. 2016. Rate-dependent polymer adsorption in porous media. Journal of petroleum science and engineering [online], 143, pages 65-71. Available from: https://doi.org/10.1016/j.petrol.2016.02.020

Laboratory core flood experiments were conducted at different flow rates with partially hydrolysed polyacrylamide (HPAM) oilfield Enhanced Oil Recovery (EOR) polymer and silica sand to investigate the polymer retention in porous media due to flow rat... Read More about Rate-dependent polymer adsorption in porous media..

A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. (2016)
Journal Article
MATHEWS, C.B., LIBISH, T.M., KAUSHALKUMAR, B., VIVEK, V., PRABHU, R. and RADHAKRISHNAN, P. 2016. A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating. Optoelectronics letters [online], 12(1), pages 23-26. Available from: https://doi.org/10.1007/s11801-016-5229-9

A fiber optic sensor for the measurement of total cholesterol is designed and developed. The developed chitosan coated long period grating (LPG) sensor shows a sensitivity of 5.025×106 pm·mL/g in the measurement range of the sensor. The sensor also s... Read More about A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating..

Controlled periodic illumination in semiconductor photocatalysis. (2015)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2015. Controlled periodic illumination in semiconductor photocatalysis. Journal of photochemistry and photobiology A: chemistry [online], 319-320, pages 96-106. Available from: https://doi.org/10.1016/j.jphotochem.2015.12.002

Controlled periodic illumination is a hypothesis postulated in the early 1990s for enhancing the efficiency of semiconductor photocatalytic reactions. This technique has been proposed to improve photocatalytic efficiency by the nature of photon intro... Read More about Controlled periodic illumination in semiconductor photocatalysis..

Development of formation damage models for oilfield polymers. (2015)
Thesis
IDAHOSA, P.E.G. 2015. Development of formation damage models for oilfield polymers. Robert Gordon University, PhD thesis.

Polymers are among the most important of various oilfield chemicals and are used for a variety of applications in the oil and gas industry (OGI), including: water and gas shutoff; drilling mud viscosity modification; filtration loss control (FLC); sw... Read More about Development of formation damage models for oilfield polymers..

Solvent effects on lasing characteristics for Rh B laser dye. (2015)
Journal Article
PETER, J., KUMAR, M., ANANAD, V.R., SALEEM, R., SEBASTIAN, A., RADHAKRISHNAN, P., NAMPOORI, V.P.N., VALLABHAN, C.P.G., PRABHU, R. and KAILASNATH, M. 2016. Solvent effects on lasing characteristics for Rh B laser dye. Journal of luminescence [online], 169(Part A), pages 227-232. Available from: https://doi.org/10.1016/j.jlumin.2015.09.002

We demonstrate pulsed, photopumped multimode laser emission in the visible spectral range from rhodamine B dye dissolved in various solvents. The laser emission is characterized by a well-defined, low threshold pump power at which the emission spectr... Read More about Solvent effects on lasing characteristics for Rh B laser dye..

Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. (2015)
Journal Article
SREEJA SREEDHARAN, R., VINODKUMAR, R., NAVAS, I., PRABHU, R. and PILLAI, V.P.M. 2015. Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films. JOM: journal of the Minerals, Metals and Materials Society [online], 68(1), pages 341-350. Available from: https://doi.org/10.1007/s11837-015-1632-0

The effects of Pr doping on the structural, morphological, optical and non-linear optical properties have been investigated. X-ray diffraction and Raman analysis reveals the formation of highly c-axis-oriented films with hexagonal wurtzite structure... Read More about Influence of Pr doping on the structural, morphological, optical, luminescent and non-linear optical properties of RF-sputtered ZnO films..

Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. (2015)
Journal Article
CRUICKSHANK, L., OFFICER, S., POLLARD, P., PRABHU, R., STUTTER, M. and FERNANDEZ, C. 2015. Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide. Analytical sciences [online], 31(7), pages 623-627. Available from: https://doi.org/10.2116/analsci.31.623

This work presents for the first time the electrochemical determination of europium using cyclic voltammetry at gold electrodes modified with 2-pyridinol-1-oxide. A well-defined oxidation peak was observed in cyclic voltammetry as a result of the oxi... Read More about Rare elements electrochemistry: the development of a novel electrochemical sensor for the rapid detection of Europium in environmental samples using gold electrode modified with 2-pyridinol-1-oxide..

Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. (2015)
Journal Article
PESTANA, C.J., EDWARDS, C., PRABHU, R., ROBERTSON, P.K.J. and LAWTON, L.A. 2015. Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres. Journal of hazardous materials [online], 300, pages 347-353. Available from: https://doi.org/10.1016/j.jhazmat.2015.07.016

Microcystins and nodularin are toxic cyanobacterial secondary metabolites produced by cyanobacteria that pose a threat to human health in drinking water. Conventional water treatment methods often fail to remove these toxins. Advanced oxidation proce... Read More about Photocatalytic degradation of eleven microcystin variants and nodularin by TiO2 coated glass microspheres..

Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms. (2015)
Journal Article
KRUANETR, S., PRABHU, R., POLLARD, P. and FERNANDEZ, C. 2015. Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms. Surface engineering and applied electrochemistry [online], 51(3), pages 283-289. Available from: https://doi.org/10.3103/S1068375515030114

A sensitive electrochemical sensor was designed for acetyl salicylic acid detection using graphene modified Screen Printed Electrodes. The electrochemical response of the sensor with graphene was improved compared to Screen Printed Electrodes without... Read More about Pharmaceutical electrochemistry: the electrochemical detection of aspirin utilising screen printed graphene electrodes as sensors platforms..

Ultrasensitive graphene coated SPR sensor for biosensing applications (2015)
Conference Proceeding
BHAVSAR, K., PRABHU, R. and POLLARD, P. 2015. Ultrasensitive graphene coated SPR sensor for biosensing applications. In Baldini, F., Homola, J and Lieberman, R.A. (eds.) Optical sensors 2015: proceedings of 2015 International Society for Optics and Photonics (SPIE) optics and optoelectronics conference 2015, 13-16 April 2015, Prague, Czech Republic. Proceedings of SPIE, 9506. Bellingham, WA: SPIE [online], article ID 95060U. Available from: https://doi.org/10.1117/12.2179051

Surface plasmon resonance (SPR) is a rapid and sensitive technique used for probing the biomolecular interactions in real time. Several new approaches have been suggested to improve the sensitivity of SPR sensors over the last two decades. Most of th... Read More about Ultrasensitive graphene coated SPR sensor for biosensing applications.

Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. (2015)
Conference Proceeding
AMBADIYIL, S., JAYAN, K.G., PRABHU, R. and PILLAI, V.P.M. 2015. Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications. In Baldini, F., Homola, J and Lieberman, R.A. (eds.) Optical sensors 2015: proceedings of 2015 International Society for Optics and Photonics (SPIE) optics and optoelectronics conference, 13-16 April 2015, Prague, Czech Republic. Proceedings of SPIE, 9506. Bellingham, WA: SPIE [online], 9506OI. Available from: https://doi.org/10.1117/12.2179635

Today, document counterfeiting is a global menace because of the advanced technologies available at ever decreasing prices. Instead of eschew the paper documents; applying efficient cost effective security methodologies are the feasible solutions. Th... Read More about Microstructure encryption and decryption techniques in optical variable and invariable devices in printed documents for security and forensic applications..

LED-controlled tuning of ZnO nanowires' wettability for biosensing applications. (2015)
Journal Article
BHAVSAR, K., ROSS, D., PRABHU, R. and POLLARD, P. 2014. LED-controlled tuning of ZnO nanowires' wettability for biosensing applications. Nano reviews [online], 6, Article 26711. Available from:https://doi.org/10.3402/nano.v6.26711

Background: Wettability is an important property of solid materials which can be controlled by surface energy. Dynamic control over the surface wettability is of great importance for biosensing applications. Zinc oxide (ZnO) is a biocompatible materi... Read More about LED-controlled tuning of ZnO nanowires' wettability for biosensing applications..

Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. (2015)
Journal Article
SREEDHARAN, R. S., GANESAN, V., SUDARSANAKUMAR, C. P., BHAVSAR, K., PRAHBU, R. and PILLAI, V.P.P.M., 2015. Highly textured and transparent RF sputtered Eu2O3 doped ZnO films. Nano reviews [online], 6, Article 26759. Available from: https://doi.org/10.3402/nano.v6.26759

Background: Zinc oxide (ZnO) is a wide, direct band gap II-VI oxide semiconductor. ZnO has large exciton binding energy at room temperature, and it is a good host material for obtaining visible and infrared emission of various rare-earth ions. Method... Read More about Highly textured and transparent RF sputtered Eu2O3 doped ZnO films..

Angular dependent light emission from planar waveguides. (2015)
Journal Article
PETER, J., PRABHU, R., RADHAKRISHNAN, P., VALLABHAN, C.P.G., NAMPOORI, V.P.N. and KAILASNATH, M. 2015. Angular dependent light emission from planar waveguides. Journal of applied physics, 117(1), Article 015301. Available from: https://doi.org/10.1063/1.4905011

We have investigated the angular dependence of amplified spontaneous emission (ASE) and laser emission from an asymmetric and free-standing polymer thin films doped with rhodamine 6G, which is transversely pumped by a pulsed Nd:YAG laser. A semi-leak... Read More about Angular dependent light emission from planar waveguides..

Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. (2014)
Conference Proceeding
IDAHOSA, P., OLUYEMI, G., PRABHU, R. and OYENEYIN, B. 2014. Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach. In Proceedings of the 2014 COMSOL conference, 17-19 September 2014, Cambridge, UK. Burlington: COMSOL [online], article ID 18685. Available from: https://www.comsol.com/paper/rheological-behaviour-of-single-phase-non-newtonian-polymer-solution-in-complex--18685

One of the most important criteria for evaluating chemical enhanced oil recovery (EOR) processes that use polymers is its rheological behaviour which in turn account for other physical effects of adsorption and resistance factors during polymer-rock... Read More about Rheological behaviour of single-phase non-Newtonian polymer solution in complex pore geometry: a simulation approach..

Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. (2014)
Journal Article
BHAVSAR, K., PRABHU, R. and POLLARD, P. 2014. Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications. IOP conference series: materials science and engineering [online], 64, Article 012033. Available from: https://doi.org/10.1088/1757-899X/64/1/012033

ZnO is a biocompatible material suitable for biosensors and microfluidic devices. Nanowires of ZnO tend to show hydrophobic nature which decelerates the adhesion/adsorption of biomolecules on the surface. This paper discusses the investigations on tu... Read More about Investigations on surface wettability of ZnO nanowires using UV LEDs for biosensing applications..

Highly transparent and luminescent nanostructured Eu203 doped ZnO films. (2014)
Journal Article
SREEDHARAN, R.S., GANASAN, V., SUDARSANAKUMAR, C., PRABHU, R. and PILLAI, V.P.M., 2014. Highly transparent and luminescent nanostructured Eu203 doped ZnO films. IOP conference series: materials science and engineering [online], 64, Article 012027. Available from: https://doi.org/10.1088/1757-899X/64/1/012027

Zinc oxide is a wide, direct band gap II-VI oxide semiconductor. Pure and Eu-doped ZnO films are prepared by RF Magnetron sputtering at different doping concentrations (0.5, 1, 3 and 5 wt %). The films are annealed at 500 0C in air for two hours. The... Read More about Highly transparent and luminescent nanostructured Eu203 doped ZnO films..

Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. (2014)
Journal Article
KRUANETR, S., POLLARD, P., FERNANDEZ, C. and PRABHU, R. 2014. Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene. International journal of electrochemical science [online], 9(10), pages 5699-5711. Available from: https://doi.org/10.1016/S1452-3981(23)08199-3

We present in this manuscript for the first time the electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolitic graphite electrode (EPPGE) modified with graphene. The electroche... Read More about Electrochemical oxidation of acetyl salicylic acid and its voltammetric sensing in real samples at a sensitive edge plane pyrolytic graphite electrode modified with graphene..

Photocatalytic destruction of volatile organic compounds from the oil and gas industry. (2014)
Thesis
TOKODE, O. 2014. Photocatalytic destruction of volatile organic compounds from the oil and gas industry. Robert Gordon University, PhD thesis.

Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment, and has found applications in a number of... Read More about Photocatalytic destruction of volatile organic compounds from the oil and gas industry..

Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination. Applied catalysis B: environmental [online], 156-157, pages 398-403. Available from: https://doi.org/10.1016/j.apcatb.2014.03.046

Quantum yields of the photocatalytic degradation of methyl orange under controlled periodic illumination (CPI) have been modelled using existing models. A modified Langmuir-Hinshelwood (L-H) rate equation was used to predict the degradation reaction... Read More about Mathematical modelling of quantum yield enhancements of methyl orange photooxidation in aqueous TiO2 suspensions under controlled periodic UV LED illumination..

The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. (2014)
Journal Article
TOKODE, O., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2014. The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources. Chemical engineering journal [online], 246, pages 337-342. Available from: https://doi.org/10.1016/j.cej.2014.03.002

The nature of photon interaction and reaction pH can have significant impacts on semiconductor photocatalysis. This paper describes the effect of pH on the photonic efficiency of photocatalytic reactions in the aqueous phase using TiO2 catalysts. The... Read More about The effect of pH on the photonic efficiency of the destruction of methyl orange under controlled periodic illumination with UV-LED sources..

Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. (2013)
Journal Article
BHAVSAR, K., PRABHU, R. and POLLARD, P. 2013. Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments. Journal of physics: conference series [online], 450: proceedings of the 17th Sensors and their applications, 16-18 September 2013, Dubrovnik, Croatia, article 012011. Available from: https://doi.org/10.1088/1742-6596/450/1/012011

Detection of highly toxic heavy metal ions requires rapid, simple, sensitive and selective detection methods in the environment. Optical fibre based sensing facilitates the remote, continuous and in-situ detection approaches in the environment. Herei... Read More about Development of dithizone based fibre optic evanescent wave sensor for heavy metal ion detection in aqueous environments..

Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. (2013)
Thesis
CHANDU, V.C.P 2013. Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water. Robert Gordon University, PhD thesis.

The widespread distribution of cyanobacteria and their toxic effects on humans has become a major concern for researchers. Cyanobacteria are a group of oxygenic phototrophic bacteria that exhibit an enormous diversity in shapes and arrangements and o... Read More about Investigation of novel methods to remove the cyanotoxin, Cylindrospermopsin, from drinking water..

Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems. (2012)
Thesis
PESTANA, C.J. 2012. Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems. Robert Gordon University, PhD thesis.

Cyanobacterial secondary metabolites can cause serious harm to animals and humans (cyanotoxins) and can have a major financial impact on the potable water and aquaculture industries (taste and odour compounds). Understanding the factors that affect c... Read More about Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems..

Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange. (2012)
Journal Article
TOKODE, O.I., PRABHU, R., LAWTON, L.A. and ROBERTSON, P.K.J. 2012. Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange. Journal of catalysis [online], 290, pages 138-142. Available from: https://doi.org/10.1016/j.jcat.2012.03.011

The use of controlled periodic illumination with UV LEDs for enhancing photonic efficiency of photocatalytic decomposition processes in water has been investigated using methyl orange as a model compound. The impact of the length of light and dark ti... Read More about Effect of controlled periodic-based illumination on the photonic efficiency of photocatalytic degradation of methyl orange..